2201001133220 has 24 divisors (see below), whose sum is σ = 4622130361464. Its totient is φ = 880395123456.

The previous prime is 2201001133213. The next prime is 2201001133273. The reversal of 2201001133220 is 223311001022.

It can be written as a sum of positive squares in 4 ways, for example, as 383190712576 + 1817810420644 = 619024^2 + 1348262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5875454 + ... + 6238826.

It is an arithmetic number, because the mean of its divisors is an integer number (192588765061).

Almost surely, 2^{2201001133220} is an apocalyptic number.

2201001133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201001133220 is an abundant number, since it is smaller than the sum of its proper divisors (2421129228244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201001133220 is a wasteful number, since it uses less digits than its factorization.

2201001133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666239 (or 666237 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2201001133220 its reverse (223311001022), we get a palindrome (2424312134242).

The spelling of 2201001133220 in words is "two trillion, two hundred one billion, one million, one hundred thirty-three thousand, two hundred twenty".